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y2 + x = 7 : this can be written as y2 = 7 - x or x = 7 - y2.
There is not a specific solution to this identity. For each different value assigned to x then a different value is generated for y. Or, it can be viewed that for each different value assigned to y then a different value is generated for x.
This expression is therefore a function.
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Earn +20 ptsQ: Y squared plus x equals 7. determine whether this is a function?
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